Home / 22,915.83-31,621.04-13,960.08

Finding the Fourth Proportional to 22,915.83, 31,621.04 and 13,960.08

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Solution

The fourth proportional to 22,915.83, 31,621.04 and 13,960.08 is: 19,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.83 : 31,621.04 = 13,960.08 : x
  2. Step 2: Convert to fraction form
    22,915.83/31,621.04 = 13,960.08/x
  3. Step 3: Cross multiply
    22,915.83x = 31,621.04 × 13,960.08
  4. Step 4: Simplify right side
    22,915.83x = 441,432,178.28
  5. Step 5: Solve for x
    x = 441,432,178.28/22,915.83
  6. Step 6: Final answer
    x = 19,263.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.